The bylaws may be amended by the members at the AGM. Any amendment to the by-laws proposed by a member must be filed with the State office not more than one hundred twenty (120) and not fewer than sixty (60) days prior to the AGM. Notice of the filing of such proposal and the text thereof shall be included by the State Office in the required notice of the AGM. Adoption of any properly proposed amendment by the membership shall require the affirmative vote of not less than two-thirds of the voting strength of the members present at the AGM constituting a quorum.